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Used Outboard Parts & Fresh Water Sterndrive Parts

393423 Evinrude Johnson 15" Outboard Lower Unit Gear Case 2 Cyl 20-35 Hp 1985-90
393423 Evinrude Johnson 15" Outboard Lower Unit Gear Case 2 Cyl 20-35 Hp 1985-90393423 Evinrude Johnson 15" Outboard Lower Unit Gear Case 2 Cyl 20-35 Hp 1985-90393423 Evinrude Johnson 15" Outboard Lower Unit Gear Case 2 Cyl 20-35 Hp 1985-90393423 Evinrude Johnson 15" Outboard Lower Unit Gear Case 2 Cyl 20-35 Hp 1985-90
$849.99
This sale is for a complete lower unit gearcase for Johnson and Evinrude outboard engines.

The drive shaft pulls out when you remove the water pump on these units. It is very easy to swap your drive shaft if yours is a long shaft.

The OMC/BRP part numbers for the complete gear housing are 0393423, 0432635, 0433431, 0434027 and 0434763.

This lower unit has been internally inspected and the gears are good to go.  Comes with all new seals and new water pump impeller.  There is no corrosion on this gear case at all.  It is from fresh water use in Wisconsin.

The drive shaft measures approx 17 3/4" from the base of the water pump housing to the tip. The drive shaft has 14 splines and they are not worn at all.

Prop shaft has 14 splines.

You will get the exact lower unit gearcase that you see and it is in great working condition.

Fits many 20, 25, 30 and 35 HP 2 cylinder 15" short shaft models from 1985-1990.

Please check your part numbers to ensure a proper fit for your application.

Feel Free To Ask Questions.

Green Bay Prop offers the most used Stern Drive & Outboard parts in Wisconsin!



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